Simultaneous Nadir Overpasses (SNOs) between GOES-18 and NOAA-21
TLE Epoch: 2024 1 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-18)   GOES-18 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 01/19/2024   22:45:21   (  -0.00,-136.99) (  -0.80,-140.68)  419.89                80
 01/20/2024   22:29:15   (  -0.00,-136.98) (   0.21,-136.14)   96.38                80
 01/23/2024   10:29:36   (   0.01,-136.97) (  -0.04,-136.87)   13.07                80
 01/25/2024   22:32:45   (  -0.01,-136.93) (  -0.16,-137.62)   78.33                80
 01/26/2024   22:16:40   (  -0.01,-136.92) (   0.87,-133.09)  437.38                80
 01/28/2024   10:38:25   (   0.01,-136.92) (   0.36,-138.34)  162.72                80
 01/29/2024   10:16:59   (   0.01,-136.90) (  -0.67,-133.80)  352.81                80
 01/30/2024   22:41:34   (  -0.01,-136.87) (  -0.53,-139.09)  254.62                80
 01/31/2024   22:20:08   (  -0.01,-136.85) (   0.50,-134.56)  260.63                80